Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from an agreeable 73.2°F (22.9°C) in September to a mild 56.3°F (13.5°C). In the month of October, Chester records a consistent average low-temperature of 40.8°F (4.9°C).Humidity
October is the least humid month in Chester, with an average relative humidity of 67%.Rainfall
In Chester, in October, during 8.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 116.4 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Chester. Throughout October, in the average 1.5 snowfall days, it receives 0.28" (7mm) of snow. In Chester, during the entire year, snow falls for 45.6 days and aggregates up to 19.49" (495mm) of snow.Daylight
The average length of the day in October is 10h and 59min.On the first day of October, sunrise is at 7:26 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:18 pm CDT.
Sunshine
In Chester, South Dakota, the average sunshine in October is 6.1h.UV index
In Chester, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chester in October?
What is the least humid month in Chester?
What is the average humidity in October in Chester?
How many days does it rain in October in Chester?
When does it start to snow in Chester?
What is the average length of the day in October in Chester?
When are sunrise and sunset in October in Chester?
How long on average sun shines in October in Chester?
What is the UV index intensity in October in Chester?
Average temperature in October
Chester, SD
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in October: 40.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in October
Chester, SD
- Average pressure in October: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Chester, SD
- Average wind speed in October: 10.7mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in October
Chester, SD
- Average humidity in October: 67%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in October
Chester, SD
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in October
Chester, SD
- Average rainfall days in October: 8.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in October
Chester, SD
- Average snowfall in October: 0.28"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Chester, SD
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Chester, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Chester, SD
- Average sunshine days in October: 19.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in October
Chester, SD
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Chester, SD
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
Chester, SD
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Chester, South Dakota, USA
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